Re: Use m4 to change a file in-place

[Peng Yu]

On Sunday, April 10, 2016, Jack J. Woehr <address@hidden> wrote:
> Peng Yu wrote:
> > Hi, sed has an option `--in-place` to allow the change to a file
> > in-place. But I don't find a similar option in m4. Does anybody know
> > there is a similar option that I can use for in-place modification of
> > a file? Thanks.
> No, but you can use the Linux mktemp command and pipe to the temp file then copy it back.

This does not maintain file mode. 

> -- 
> Jack J. Woehr     # Science is more than a body of knowledge. It's a way of
> www.well.com/~jax # thinking, a way of skeptically interrogating the universe
> www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan


-- 
Regards,
Peng